mirror of https://gitee.com/godoos/godoos.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
244 lines
6.1 KiB
244 lines
6.1 KiB
/*
|
|
* GodoOS - A lightweight cloud desktop
|
|
* Copyright (C) 2024 https://godoos.com
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package localchat
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"godo/libs"
|
|
"io"
|
|
"log"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
func HandlerSendImg(w http.ResponseWriter, r *http.Request) {
|
|
var msg UdpMessage
|
|
decoder := json.NewDecoder(r.Body)
|
|
if err := decoder.Decode(&msg); err != nil {
|
|
http.Error(w, "Invalid request body", http.StatusBadRequest)
|
|
return
|
|
}
|
|
defer r.Body.Close()
|
|
hostname, err := os.Hostname()
|
|
if err != nil {
|
|
libs.ErrorMsg(w, "HandleMessage error")
|
|
return
|
|
}
|
|
msg.Hostname = hostname
|
|
msg.Time = time.Now()
|
|
msg.Type = "image"
|
|
basePath, err := libs.GetOsDir()
|
|
if err != nil {
|
|
log.Printf("GetOsDir error: %v", err)
|
|
return
|
|
}
|
|
// log.Printf("send image to %v", msg.Message)
|
|
// log.Printf("Type of msg.Message: %T", msg.Message)
|
|
paths, ok := msg.Message.([]interface{})
|
|
//log.Printf("paths: %v", paths)
|
|
if !ok {
|
|
libs.ErrorMsg(w, "HandleMessage message error")
|
|
return
|
|
}
|
|
sendPath := []string{}
|
|
for _, v := range paths {
|
|
p, ok := v.(string)
|
|
if !ok {
|
|
continue
|
|
}
|
|
filePath := filepath.Join(basePath, p)
|
|
// 处理多张图片
|
|
if fileInfo, err := os.Stat(filePath); err == nil {
|
|
if !fileInfo.IsDir() {
|
|
//handleFile(filePath, toIp, msg)
|
|
sendPath = append(sendPath, p)
|
|
}
|
|
} else {
|
|
continue
|
|
}
|
|
}
|
|
msg.Message = sendPath
|
|
SendToIP(msg)
|
|
libs.SuccessMsg(w, nil, "图片发送成功")
|
|
}
|
|
|
|
func ReceiveImg(msg UdpMessage) ([]string, error) {
|
|
res := []string{}
|
|
baseDir, err := libs.GetOsDir()
|
|
if err != nil {
|
|
log.Printf("Failed to get OS directory: %v", err)
|
|
return res, err
|
|
}
|
|
|
|
// 创建接收文件的目录
|
|
resPath := filepath.Join("C", "Users", "Reciv", time.Now().Format("2006-01-02"))
|
|
receiveDir := filepath.Join(baseDir, resPath)
|
|
if !libs.PathExists(receiveDir) {
|
|
err := os.MkdirAll(receiveDir, 0755)
|
|
if err != nil {
|
|
log.Printf("Failed to create receive directory: %v", err)
|
|
return res, err
|
|
}
|
|
}
|
|
paths, ok := msg.Message.([]interface{})
|
|
//log.Printf("paths: %v", paths)
|
|
if !ok {
|
|
return res, fmt.Errorf("HandleMessage message error")
|
|
}
|
|
var savedPaths []string
|
|
for _, v := range paths {
|
|
p, ok := v.(string)
|
|
if !ok {
|
|
continue
|
|
}
|
|
imgUrl := fmt.Sprintf("http://%s:56780/localchat/viewimage?img=%s", msg.IP, url.QueryEscape(p))
|
|
resp, err := http.Get(imgUrl)
|
|
if err != nil {
|
|
log.Printf("Failed to download image from URL %s: %v", imgUrl, err)
|
|
continue
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
log.Printf("Failed to download image from URL %s: %v", imgUrl, resp.Status)
|
|
continue
|
|
}
|
|
// 生成随机文件名
|
|
// 生成随机文件名并保留扩展名
|
|
fileName, err := generateRandomFileNameWithExtension(p)
|
|
if err != nil {
|
|
log.Printf("Failed to generate random file name: %v", err)
|
|
continue
|
|
}
|
|
filePath := filepath.Join(receiveDir, fileName)
|
|
// 保存图片
|
|
err = saveImage(resp.Body, filePath)
|
|
if err != nil {
|
|
log.Printf("Failed to save image to %s: %v", filePath, err)
|
|
continue
|
|
}
|
|
receviePath := filepath.Join(resPath, fileName)
|
|
savedPaths = append(savedPaths, receviePath)
|
|
|
|
}
|
|
if len(savedPaths) > 0 {
|
|
return savedPaths, nil
|
|
}
|
|
|
|
return res, fmt.Errorf("no images were saved")
|
|
|
|
}
|
|
|
|
// 生成随机文件名并保留扩展名
|
|
func generateRandomFileNameWithExtension(originalFileName string) (string, error) {
|
|
_, fileExt := filepath.Split(originalFileName)
|
|
fileExt = strings.TrimPrefix(fileExt, ".")
|
|
if fileExt == "" {
|
|
fileExt = "png"
|
|
}
|
|
|
|
randomFileName := fmt.Sprintf("%s.%s", strconv.FormatInt(time.Now().UnixNano(), 10), fileExt)
|
|
return randomFileName, nil
|
|
}
|
|
|
|
// 保存图片到本地文件
|
|
func saveImage(reader io.Reader, filePath string) error {
|
|
file, err := os.Create(filePath)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create file: %v", err)
|
|
}
|
|
defer file.Close()
|
|
|
|
_, err = io.Copy(file, reader)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to write image data to file: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
func HandleViewImg(w http.ResponseWriter, r *http.Request) {
|
|
img := r.URL.Query().Get("img")
|
|
if img == "" {
|
|
libs.ErrorMsg(w, "img is empty")
|
|
return
|
|
}
|
|
decodedImgParam, err := url.QueryUnescape(img)
|
|
if err != nil {
|
|
log.Fatalf("Error unescaping image parameter: %v", err)
|
|
}
|
|
basePath, err := libs.GetOsDir()
|
|
if err != nil {
|
|
log.Printf("GetOsDir error: %v", err)
|
|
return
|
|
}
|
|
filePath := filepath.Join(basePath, decodedImgParam)
|
|
log.Printf("filePath: %s", filePath)
|
|
// 检查文件是否存在
|
|
if _, err := os.Stat(filePath); os.IsNotExist(err) {
|
|
libs.ErrorMsg(w, "file not found")
|
|
return
|
|
}
|
|
|
|
// 设置正确的 MIME 类型
|
|
mimeType, err := GetMimeType(filePath)
|
|
if err != nil {
|
|
http.Error(w, "Failed to determine MIME type", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// 设置响应头
|
|
w.Header().Set("Content-Type", mimeType)
|
|
|
|
// 读取文件并写入响应体
|
|
file, err := os.Open(filePath)
|
|
if err != nil {
|
|
http.Error(w, "Failed to open file", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
defer file.Close()
|
|
|
|
_, err = io.Copy(w, file)
|
|
if err != nil {
|
|
http.Error(w, "Failed to write file content", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
}
|
|
func GetMimeType(filePath string) (string, error) {
|
|
f, err := os.Open(filePath)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer f.Close()
|
|
|
|
// 读取前 512 字节以确定 MIME 类型
|
|
buffer := make([]byte, 512)
|
|
_, err = f.Read(buffer)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
mimeType := http.DetectContentType(buffer)
|
|
return mimeType, nil
|
|
}
|
|
|